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select-toolbar.cpp

/*
 * Selector aux toolbar
 *
 * Authors:
 *   Lauris Kaplinski <lauris@kaplinski.com>
 *   bulia byak <buliabyak@users.sf.net>
 *
 * Copyright (C) 2003-2005 authors
 *
 * Released under GNU GPL, read the file 'COPYING' for more information
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <string.h>
#include <glib.h>
#include <gtk/gtk.h>
#include <gtk/gtkaccelgroup.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkselection.h>
#include <gtk/gtktable.h>
#include <gtk/gtktooltips.h>
#include <gtk/gtkdnd.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkhandlebox.h>
#include <gdk/gdkkeysyms.h>

#include "macros.h"
#include "helper/window.h"
#include "widgets/icon.h"
#include "widgets/button.h"
#include "widgets/spw-utilities.h"
#include "widgets/widget-sizes.h"
#include "widgets/spinbutton-events.h"

#include "prefs-utils.h"
#include "inkscape-stock.h"
#include "file.h"
#include "selection-chemistry.h"
#include "path-chemistry.h"
#include "inkscape-private.h"
#include "document.h"
#include "inkscape.h"
#include "sp-object.h"
#include "desktop-style.h"
#include "desktop.h"
#include "desktop-handles.h"
#include "sp-namedview.h"
#include "interface.h"
#include "toolbox.h"
#include "helper/gnome-utils.h"
#include <glibmm/i18n.h>
#include "widgets/sp-widget.h"
#include "helper/unit-menu.h"
#include "helper/units.h"
#include "helper/window.h"
#include "widgets/sp-widget.h"
#include "macros.h"
#include "inkscape.h"
#include "verbs.h"
#include "interface.h"
#include "inkscape-stock.h"
#include "prefs-utils.h"
#include "selection.h"
#include "selection-chemistry.h"
#include "widgets/desktop-widget.h"
#include "sp-item-transform.h"
#include "libnr/nr-matrix.h"
#include "libnr/nr-matrix-ops.h"
#include "libnr/nr-translate-scale-ops.h"
#include "libnr/nr-matrix-translate-ops.h"

#include "select-toolbar.h"

static void
sp_selection_layout_widget_update(SPWidget *spw, Inkscape::Selection *sel)
{
    if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
        return;
    }

    gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));

    GtkWidget *f = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(spw), "frame");

    using NR::X;
    using NR::Y;
    if ( sel && !sel->isEmpty() ) {
        NR::Rect const bbox(sel->bounds());
        NR::Point const dimensions(bbox.dimensions());
        if ((dimensions[X] > 1e-6) || (dimensions[Y] > 1e-6)) {
            GtkWidget *us = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(spw), "units");
            SPUnit const &unit = *sp_unit_selector_get_unit(SP_UNIT_SELECTOR(us));

            if (unit.base == SP_UNIT_DIMENSIONLESS) {
                char const * const keys[] = {"X", "Y", "width", "height"};
                double const val = 1. / unit.unittobase;
                for (unsigned i = 0; i < G_N_ELEMENTS(keys); ++i) {
                    GtkAdjustment *a = (GtkAdjustment *) gtk_object_get_data(GTK_OBJECT(spw), keys[i]);
                    gtk_adjustment_set_value(a, val);
                }
            } else {
                struct { char const *key; double val; } const keyval[] = {
                    { "X", bbox.min()[X] },
                    { "Y", bbox.min()[Y] },
                    { "width", dimensions[X] },
                    { "height", dimensions[Y] }
                };
                for (unsigned i = 0; i < G_N_ELEMENTS(keyval); ++i) {
                    GtkAdjustment *a = (GtkAdjustment *) gtk_object_get_data(GTK_OBJECT(spw), keyval[i].key);
                    gtk_adjustment_set_value(a, sp_pixels_get_units(keyval[i].val, unit));
                }
            }

            gtk_widget_set_sensitive(f, TRUE);
        } else {
            gtk_widget_set_sensitive(f, FALSE);
        }
    } else {
        gtk_widget_set_sensitive(f, FALSE);
    }

    gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
}


static void
sp_selection_layout_widget_modify_selection(SPWidget *spw, Inkscape::Selection *selection, guint flags, gpointer data)
{
    SPDesktop *desktop = (SPDesktop *) data;
    if ((SP_DT_SELECTION(desktop) == selection) // only respond to changes in our desktop
        && (flags & (SP_OBJECT_MODIFIED_FLAG        |
                     SP_OBJECT_PARENT_MODIFIED_FLAG |
                     SP_OBJECT_CHILD_MODIFIED_FLAG   )))
    {
        sp_selection_layout_widget_update(spw, selection);
    }
}

static void
sp_selection_layout_widget_change_selection(SPWidget *spw, Inkscape::Selection *selection, gpointer data)
{
    SPDesktop *desktop = (SPDesktop *) data;
    if (SP_DT_SELECTION(desktop) == selection) // only respond to changes in our desktop
        sp_selection_layout_widget_update(spw, selection);
}

static void
sp_object_layout_any_value_changed(GtkAdjustment *adj, SPWidget *spw)
{
    if (gtk_object_get_data(GTK_OBJECT(spw), "update")) {
        return;
    }

    GtkWidget *us = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(spw), "units");
    SPUnit const &unit = *sp_unit_selector_get_unit(SP_UNIT_SELECTOR(us));
    if (sp_unit_selector_update_test(SP_UNIT_SELECTOR(us))) {
        /*
         * When only units are being changed, don't treat changes
         * to adjuster values as object changes.
         */
        return;
    }
    gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));

    SPDesktop *desktop = SP_ACTIVE_DESKTOP;
    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
    SPDocument *document = SP_DT_DOCUMENT(desktop);
    NR::Rect bbox = selection->bounds();

    if (!((bbox.max()[NR::X] - bbox.min()[NR::X] > 1e-6) || (bbox.max()[NR::Y] - bbox.min()[NR::Y] > 1e-6))) {
        return;
    }

    gdouble x0, y0, x1, y1, xrel, yrel;

    if (unit.base == SP_UNIT_ABSOLUTE || unit.base == SP_UNIT_DEVICE) {
        GtkAdjustment *a;
        a = (GtkAdjustment *) gtk_object_get_data(GTK_OBJECT(spw), "X");
        x0 = sp_units_get_pixels (a->value, unit);
        a = (GtkAdjustment *) gtk_object_get_data(GTK_OBJECT(spw), "Y");
        y0 = sp_units_get_pixels (a->value, unit);
        a = (GtkAdjustment *) gtk_object_get_data(GTK_OBJECT(spw), "width");
        x1 = x0 + sp_units_get_pixels (a->value, unit);
        xrel = sp_units_get_pixels (a->value, unit) / bbox.extent(NR::X);
        a = (GtkAdjustment *) gtk_object_get_data(GTK_OBJECT(spw), "height");
        y1 = y0 + sp_units_get_pixels (a->value, unit);
        yrel = sp_units_get_pixels (a->value, unit) / bbox.extent(NR::Y);
    } else {
        GtkAdjustment *a;
        a = (GtkAdjustment *) gtk_object_get_data(GTK_OBJECT(spw), "X");
        double const x0_propn = a->value * unit.unittobase;
        x0 = bbox.min()[NR::X] * x0_propn;
        a = (GtkAdjustment *) gtk_object_get_data(GTK_OBJECT(spw), "Y");
        double const y0_propn = a->value * unit.unittobase;
        y0 = y0_propn * bbox.min()[NR::Y];
        a = (GtkAdjustment *) gtk_object_get_data(GTK_OBJECT(spw), "width");
        xrel = a->value * unit.unittobase;
        x1 = x0 + xrel * bbox.extent(NR::X);
        a = (GtkAdjustment *) gtk_object_get_data(GTK_OBJECT(spw), "height");
        yrel = a->value * unit.unittobase;
        y1 = y0 + yrel * bbox.extent(NR::Y);
    }

    // Keep proportions if lock is on
    GtkWidget *lock = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(spw), "lock"));
    if (SP_BUTTON_IS_DOWN(lock)) {
        if (fabs(xrel - 1.0) < 1e-6) {
            x1 = x0 + yrel * bbox.extent(NR::X);
        } else if (fabs(yrel - 1.0) < 1e-6) {
            y1 = y0 + xrel * bbox.extent(NR::Y);
        }
    }

    // scales and moves, in px
    double mh = fabs(x0 - bbox.min()[NR::X]);
    double sh = fabs(x1 - bbox.max()[NR::X]);
    double mv = fabs(y0 - bbox.min()[NR::Y]);
    double sv = fabs(y1 - bbox.max()[NR::Y]);

    // unless the unit is %, convert the scales and moves to the unit
    if (unit.base == SP_UNIT_ABSOLUTE || unit.base == SP_UNIT_DEVICE) {
        mh = sp_pixels_get_units (mh, unit);
        sh = sp_pixels_get_units (sh, unit);
        mv = sp_pixels_get_units (mv, unit);
        sv = sp_pixels_get_units (sv, unit);
    }

    // do the action only if one of the scales/moves is greater than half the last significant
    // digit in the spinbox (currently spinboxes have 3 fractional digits, so that makes 0.0005). If
    // the value was changed by the user, the difference will be at least that much; otherwise it's
    // just rounding difference between the spinbox value and actual value, so no action is
    // performed
    char const * const actionkey = ( mh > 5e-4 ? "selector:toolbar:move:horizontal" : 
                                     sh > 5e-4 ? "selector:toolbar:scale:horizontal" : 
                                     mv > 5e-4 ? "selector:toolbar:move:vertical" : 
                                     sv > 5e-4 ? "selector:toolbar:scale:vertical" : NULL );

    if (actionkey != NULL) {
        NR::Matrix p2o = NR::Matrix (NR::translate (-bbox.min()));
        NR::Matrix o2n = NR::Matrix (NR::translate (x0, y0));

        NR::Matrix scale = NR::Matrix (NR::scale (1, 1));
        NR::Matrix unbudge = NR::Matrix (NR::translate (0, 0));

        int transform_stroke = prefs_get_int_attribute ("options.transform", "stroke", 1);
        gdouble strokewidth = stroke_average_width (selection->itemList());

        if ( fabs( bbox.extent(NR::X) ) > 1e-06 ) {
            if (transform_stroke || strokewidth == NR_HUGE || 
                fabs(x1 - x0 - strokewidth) < 1e-3 || fabs(bbox.extent(NR::X) - strokewidth) < 1e-3) {
                NR::Matrix direct = NR::Matrix (NR::scale(( x1 - x0 ) / ( bbox.extent(NR::X) ), 1));
                if (strokewidth == NR_HUGE || strokewidth == 0 || 
                    fabs(bbox.extent(NR::X) - strokewidth) < 1e-3) {
                    scale *= direct;
                } else {
                    // To find out the matrix to scale an object to get the given target dimension if the
                    // stroke is scaled by the expansion of that matrix, we need to solve a
                    // quadratic equation
                    gdouble A = (bbox.extent(NR::X) - strokewidth)*(bbox.extent(NR::X) - strokewidth);
                    gdouble B = -2 * (bbox.extent(NR::X) - strokewidth) * (x1 - x0) - strokewidth*strokewidth;
                    gdouble C = (x1 - x0)*(x1 - x0);
                    if (B*B - 4*A*C > 0) {
                        gdouble sol2 = (-B - sqrt (B*B - 4*A*C))/(2*A);
                        scale *= NR::scale(sol2, 1);
                        unbudge *= NR::translate (0.5 * strokewidth * (sqrt(sol2) - sol2), 0);
                    } else {
                        scale *= direct;
                    }
                }

            } else {
                gdouble ratio = ( x1 - x0 - strokewidth) / ( bbox.extent(NR::X) - strokewidth);
                scale *= NR::scale(ratio, 1);
                unbudge *= NR::translate (0.5 * strokewidth * (1 - ratio), 0);
            }
        }

        if ( fabs( bbox.extent(NR::Y) ) > 1e-06 ) {
            if (transform_stroke || strokewidth == NR_HUGE || 
                fabs(y1 - y0 - strokewidth) < 1e-3 || fabs(bbox.extent(NR::Y) - strokewidth) < 1e-3) {
                NR::Matrix direct = NR::Matrix (NR::scale(1, ( y1 - y0 ) / ( bbox.extent(NR::Y) )));
                if (strokewidth == NR_HUGE || strokewidth == 0 || 
                    fabs(bbox.extent(NR::Y) - strokewidth) < 1e-3) {
                    scale *= direct;
                } else {
                    gdouble A = (bbox.extent(NR::Y) - strokewidth)*(bbox.extent(NR::Y) - strokewidth);
                    gdouble B = -2 * (bbox.extent(NR::Y) - strokewidth) * (y1 - y0) - strokewidth*strokewidth;
                    gdouble C = (y1 - y0)*(y1 - y0);
                    if (B*B - 4*A*C > 0) {
                        gdouble sol2 = (-B - sqrt (B*B - 4*A*C))/(2*A);
                        scale *= NR::scale(1, sol2);
                        unbudge *= NR::translate (0, 0.5 * strokewidth * (sqrt(sol2) - sol2));
                    } else {
                        scale *= direct;
                    }
                }
            } else {
                gdouble ratio = ( y1 - y0 - strokewidth ) / ( bbox.extent(NR::Y) - strokewidth );
                scale *= NR::scale(1, ratio);
                unbudge *= NR::translate (0, 0.5 * strokewidth * (1 - ratio));
            }
        }

        sp_selection_apply_affine(selection, p2o * scale * unbudge * o2n);

        sp_document_maybe_done (document, actionkey);

        // defocus spinbuttons by moving focus to the canvas, unless "stay" is on
        spinbutton_defocus(GTK_OBJECT(spw));
    }

    gtk_object_set_data(GTK_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
}

GtkWidget *
sp_select_toolbox_spinbutton(gchar *label, gchar *data, float lower_limit, GtkWidget *us, GtkWidget *spw, gchar *tooltip, gboolean altx)
{
    GtkTooltips *tt = gtk_tooltips_new();

    GtkWidget *hb = gtk_hbox_new(FALSE, 1);
    GtkWidget *l = gtk_label_new(Q_(label));
    gtk_tooltips_set_tip(tt, l, tooltip, NULL);
    gtk_widget_show(l);
    gtk_misc_set_alignment(GTK_MISC(l), 1.0, 0.5);
    gtk_container_add(GTK_CONTAINER(hb), l);

    GtkObject *a = gtk_adjustment_new(0.0, lower_limit, 1e6, SPIN_STEP, SPIN_PAGE_STEP, SPIN_PAGE_STEP);
    sp_unit_selector_add_adjustment(SP_UNIT_SELECTOR(us), GTK_ADJUSTMENT(a));
    gtk_object_set_data(GTK_OBJECT(spw), data, a);

    GtkWidget *sb = gtk_spin_button_new(GTK_ADJUSTMENT(a), SPIN_STEP, 3);
    gtk_tooltips_set_tip(tt, sb, tooltip, NULL);
    gtk_widget_set_size_request(sb, AUX_SPINBUTTON_WIDTH, AUX_SPINBUTTON_HEIGHT);
    gtk_widget_show(sb);
    gtk_signal_connect(GTK_OBJECT(sb), "focus-in-event", GTK_SIGNAL_FUNC(spinbutton_focus_in), spw);
    gtk_signal_connect(GTK_OBJECT(sb), "key-press-event", GTK_SIGNAL_FUNC(spinbutton_keypress), spw);

    gtk_container_add(GTK_CONTAINER(hb), sb);
    gtk_signal_connect(GTK_OBJECT(a), "value_changed", GTK_SIGNAL_FUNC(sp_object_layout_any_value_changed), spw);

    if (altx) { // this spinbutton will be activated by alt-x
        gtk_object_set_data(GTK_OBJECT(sb), "altx", sb);
    }

    return hb;
}

static gboolean aux_set_unit(SPUnitSelector *,
                             SPUnit const *old,
                             SPUnit const *new_units,
                             GObject *dlg)
{
    SPDesktop *desktop = SP_ACTIVE_DESKTOP;

    if (!desktop) {
        return FALSE;
    }

    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);

    if (selection->isEmpty())
        return FALSE;

    if ((old->base == SP_UNIT_ABSOLUTE || old->base == SP_UNIT_DEVICE)
        && (new_units->base == SP_UNIT_DIMENSIONLESS))
    {

        /* Absolute to percentage */
        g_object_set_data(dlg, "update", GUINT_TO_POINTER(TRUE));

        GtkAdjustment *ax = GTK_ADJUSTMENT(g_object_get_data(dlg, "X"));
        GtkAdjustment *ay = GTK_ADJUSTMENT(g_object_get_data(dlg, "Y"));
        GtkAdjustment *aw = GTK_ADJUSTMENT(g_object_get_data(dlg, "width"));
        GtkAdjustment *ah = GTK_ADJUSTMENT(g_object_get_data(dlg, "height"));

        double const x = sp_units_get_pixels (ax->value, *old);
        double const y = sp_units_get_pixels (ay->value, *old);
        double const w = sp_units_get_pixels (aw->value, *old);
        double const h = sp_units_get_pixels (ah->value, *old);

        NR::Rect bbox = selection->bounds();

        gtk_adjustment_set_value(ax, fabs(bbox.min()[NR::X]) > 1e-6? 100.0 * x / bbox.min()[NR::X] : 100.0);
        gtk_adjustment_set_value(ay, fabs(bbox.min()[NR::Y]) > 1e-6? 100.0 * y / bbox.min()[NR::Y] : 100.0);
        gtk_adjustment_set_value(aw, fabs(bbox.extent(NR::X)) > 1e-6? 100.0 * w / bbox.extent(NR::X) : 100.0);
        gtk_adjustment_set_value(ah, fabs(bbox.extent(NR::Y)) > 1e-6? 100.0 * h / bbox.extent(NR::Y) : 100.0);

        g_object_set_data(dlg, "update", GUINT_TO_POINTER(FALSE));
        return TRUE;
    } else if ((old->base == SP_UNIT_DIMENSIONLESS)
               && (new_units->base == SP_UNIT_ABSOLUTE || new_units->base == SP_UNIT_DEVICE)) {

        /* Percentage to absolute */
        g_object_set_data(dlg, "update", GUINT_TO_POINTER(TRUE));

        GtkAdjustment *ax = GTK_ADJUSTMENT(g_object_get_data(dlg, "X"));
        GtkAdjustment *ay = GTK_ADJUSTMENT(g_object_get_data(dlg, "Y"));
        GtkAdjustment *aw = GTK_ADJUSTMENT(g_object_get_data(dlg, "width"));
        GtkAdjustment *ah = GTK_ADJUSTMENT(g_object_get_data(dlg, "height"));

        NR::Rect bbox = selection->bounds();

        gtk_adjustment_set_value(ax, sp_pixels_get_units(0.01 * ax->value * bbox.min()[NR::X], *new_units));
        gtk_adjustment_set_value(ay, sp_pixels_get_units(0.01 * ay->value * bbox.min()[NR::Y], *new_units));
        gtk_adjustment_set_value(aw, sp_pixels_get_units(0.01 * aw->value * bbox.extent(NR::X), *new_units));
        gtk_adjustment_set_value(ah, sp_pixels_get_units(0.01 * ah->value * bbox.extent(NR::Y), *new_units));

        g_object_set_data(dlg, "update", GUINT_TO_POINTER(FALSE));
        return TRUE;
    }

    return FALSE;
}

// toggle button callbacks and updaters

static void toggle_stroke (GtkWidget *button, gpointer data) {
    prefs_set_int_attribute ("options.transform", "stroke", gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)) ? 1 : 0);
}

static void toggle_corners (GtkWidget *button, gpointer data) {
    prefs_set_int_attribute ("options.transform", "rectcorners", gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)) ? 1 : 0);
}

static void toggle_gradient (GtkWidget *button, gpointer data) {
    prefs_set_int_attribute ("options.transform", "gradient", gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)) ? 1 : 0);
}

static void toggle_pattern (GtkWidget *button, gpointer data) {
    prefs_set_int_attribute ("options.transform", "pattern", gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)) ? 1 : 0);
}

GtkWidget *
sp_select_toolbox_new(SPDesktop *desktop)
{
    Inkscape::UI::View::View *view = desktop;

    GtkTooltips *tt = gtk_tooltips_new();
    GtkWidget *tb = gtk_hbox_new(FALSE, 0);

    sp_toolbox_button_normal_new_from_verb(tb, GTK_ICON_SIZE_SMALL_TOOLBAR, Inkscape::Verb::get(SP_VERB_OBJECT_ROTATE_90_CCW), view, tt);
    sp_toolbox_button_normal_new_from_verb(tb, GTK_ICON_SIZE_SMALL_TOOLBAR, Inkscape::Verb::get(SP_VERB_OBJECT_ROTATE_90_CW), view, tt);
    sp_toolbox_button_normal_new_from_verb(tb, GTK_ICON_SIZE_SMALL_TOOLBAR, Inkscape::Verb::get(SP_VERB_OBJECT_FLIP_HORIZONTAL), view, tt);
    sp_toolbox_button_normal_new_from_verb(tb, GTK_ICON_SIZE_SMALL_TOOLBAR, Inkscape::Verb::get(SP_VERB_OBJECT_FLIP_VERTICAL), view, tt);

    aux_toolbox_space(tb, AUX_BETWEEN_BUTTON_GROUPS);

    sp_toolbox_button_normal_new_from_verb(tb, GTK_ICON_SIZE_SMALL_TOOLBAR, Inkscape::Verb::get(SP_VERB_SELECTION_TO_BACK), view, tt);
    sp_toolbox_button_normal_new_from_verb(tb, GTK_ICON_SIZE_SMALL_TOOLBAR, Inkscape::Verb::get(SP_VERB_SELECTION_LOWER), view, tt);
    sp_toolbox_button_normal_new_from_verb(tb, GTK_ICON_SIZE_SMALL_TOOLBAR, Inkscape::Verb::get(SP_VERB_SELECTION_RAISE), view, tt);
    sp_toolbox_button_normal_new_from_verb(tb, GTK_ICON_SIZE_SMALL_TOOLBAR, Inkscape::Verb::get(SP_VERB_SELECTION_TO_FRONT), view, tt);

    // Create the parent widget for x y w h tracker.
    GtkWidget *spw = sp_widget_new_global(INKSCAPE);

    // Remember the desktop's canvas widget, to be used for defocusing.
    gtk_object_set_data(GTK_OBJECT(spw), "dtw", SP_DT_CANVAS(desktop));

    // The vb frame holds all other widgets and is used to set sensitivity depending on selection state.
    GtkWidget *vb = gtk_hbox_new(FALSE, 0);
    gtk_widget_show(vb);
    gtk_container_add(GTK_CONTAINER(spw), vb);
    gtk_object_set_data(GTK_OBJECT(spw), "frame", vb);

    // Create the units menu.
    GtkWidget *us = sp_unit_selector_new(SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE);
    sp_unit_selector_setsize(us, AUX_OPTION_MENU_WIDTH, AUX_OPTION_MENU_HEIGHT);
    sp_unit_selector_add_unit(SP_UNIT_SELECTOR(us), &sp_unit_get_by_id(SP_UNIT_PERCENT), 0);
    sp_unit_selector_set_unit (SP_UNIT_SELECTOR(us), SP_DT_NAMEDVIEW(desktop)->doc_units);
    g_signal_connect(G_OBJECT(us), "set_unit", G_CALLBACK(aux_set_unit), spw);

    // four spinbuttons

    gtk_container_add(GTK_CONTAINER(vb),
                      //TRANSLATORS: only translate "string" in "context|string". 
                      // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS
                      sp_select_toolbox_spinbutton(_("select_toolbar|X"), "X", -1e6, us, spw, _("Horizontal coordinate of selection"), TRUE));
    aux_toolbox_space(vb, AUX_BETWEEN_SPINBUTTONS);
    gtk_container_add(GTK_CONTAINER(vb),
                      //TRANSLATORS: only translate "string" in "context|string". 
                      // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS
                      sp_select_toolbox_spinbutton(_("select_toolbar|Y"), "Y", -1e6, us, spw, _("Vertical coordinate of selection"), FALSE));
    aux_toolbox_space(vb, AUX_BETWEEN_BUTTON_GROUPS);

    gtk_container_add(GTK_CONTAINER(vb),
                      //TRANSLATORS: only translate "string" in "context|string". 
                      // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS
                      sp_select_toolbox_spinbutton(_("select_toolbar|W"), "width", 1e-3, us, spw, _("Width of selection"), FALSE));

    // lock toggle
    GtkWidget *lockbox = gtk_vbox_new(TRUE, 0);
    GtkWidget *lock = sp_button_new_from_data( GTK_ICON_SIZE_MENU,
                                              SP_BUTTON_TYPE_TOGGLE,
                                              NULL,
                                              "width_height_lock",
                                              _("Change both width and height by the same proportion"),
                                              tt);
    gtk_box_pack_start(GTK_BOX(lockbox), lock, TRUE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(vb), lockbox, FALSE, FALSE, 0);
    gtk_object_set_data(GTK_OBJECT(spw), "lock", lock);

    gtk_container_add(GTK_CONTAINER(vb),
                      //TRANSLATORS: only translate "string" in "context|string". 
                      // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS
                      sp_select_toolbox_spinbutton(_("select_toolbar|H"), "height", 1e-3, us, spw, _("Height of selection"), FALSE));

    aux_toolbox_space(vb, 2);

    // Add the units menu.
    gtk_widget_show(us);
    gtk_container_add(GTK_CONTAINER(vb), us);
    gtk_object_set_data(GTK_OBJECT(spw), "units", us);

    // Set font size.
    sp_set_font_size_smaller (vb);

    // Force update when selection changes.
    gtk_signal_connect(GTK_OBJECT(spw), "modify_selection", GTK_SIGNAL_FUNC(sp_selection_layout_widget_modify_selection), desktop);
    gtk_signal_connect(GTK_OBJECT(spw), "change_selection", GTK_SIGNAL_FUNC(sp_selection_layout_widget_change_selection), desktop);

    // Update now.
    sp_selection_layout_widget_update(SP_WIDGET(spw), SP_ACTIVE_DESKTOP ? SP_DT_SELECTION(SP_ACTIVE_DESKTOP) : NULL);

    // Insert spw into the toolbar.
    gtk_box_pack_start(GTK_BOX(tb), spw, FALSE, FALSE, AUX_BETWEEN_BUTTON_GROUPS);

    aux_toolbox_space(tb, AUX_BETWEEN_BUTTON_GROUPS);

    // "Transform with object" buttons

    GtkWidget *cvbox = gtk_vbox_new (FALSE, 0);
    GtkWidget *cbox = gtk_hbox_new (FALSE, 0);

    {
    GtkWidget *button = sp_button_new_from_data( GTK_ICON_SIZE_SMALL_TOOLBAR,
                                              SP_BUTTON_TYPE_TOGGLE,
                                              NULL,
                                              "transform_stroke",
                                              _("When scaling objects, scale the stroke width by the same proportion"),
                                              tt);
    g_signal_connect_after (G_OBJECT (button), "clicked", G_CALLBACK (toggle_stroke), NULL);
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), prefs_get_int_attribute ("options.transform", "stroke", 1));
    gtk_box_pack_start(GTK_BOX(cbox), button, FALSE, FALSE, 0);
    }

    {
    GtkWidget *button = sp_button_new_from_data( GTK_ICON_SIZE_SMALL_TOOLBAR,
                                              SP_BUTTON_TYPE_TOGGLE,
                                              NULL,
                                              "transform_corners",
                                              _("When scaling rectangles, scale the radii of rounded corners"),
                                              tt);
    g_signal_connect_after (G_OBJECT (button), "clicked", G_CALLBACK (toggle_corners), NULL);
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), prefs_get_int_attribute ("options.transform", "rectcorners", 1));
    gtk_box_pack_start(GTK_BOX(cbox), button, FALSE, FALSE, 0);
    }

    {
    GtkWidget *button = sp_button_new_from_data( GTK_ICON_SIZE_SMALL_TOOLBAR,
                                              SP_BUTTON_TYPE_TOGGLE,
                                              NULL,
                                              "transform_gradient",
                                              _("Transform gradients (in fill or stroke) along with the objects"),
                                              tt);
    g_signal_connect_after (G_OBJECT (button), "clicked", G_CALLBACK (toggle_gradient), NULL);
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), prefs_get_int_attribute ("options.transform", "gradient", 1));
    gtk_box_pack_start(GTK_BOX(cbox), button, FALSE, FALSE, 0);
    }

    {
    GtkWidget *button = sp_button_new_from_data( GTK_ICON_SIZE_SMALL_TOOLBAR,
                                              SP_BUTTON_TYPE_TOGGLE,
                                              NULL,
                                              "transform_pattern",
                                              _("Transform patterns (in fill or stroke) along with the objects"),
                                              tt);
    g_signal_connect_after (G_OBJECT (button), "clicked", G_CALLBACK (toggle_pattern), NULL);
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), prefs_get_int_attribute ("options.transform", "pattern", 1));
    gtk_box_pack_start(GTK_BOX(cbox), button, FALSE, FALSE, 0);
    }

    gtk_box_pack_start(GTK_BOX(cvbox), cbox, TRUE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(tb), cvbox, FALSE, FALSE, 0);

    gtk_widget_show_all(tb);

    return tb;
}


/*
  Local Variables:
  mode:c++
  c-file-style:"stroustrup"
  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  indent-tabs-mode:nil
  fill-column:99
  End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :

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